Impellers (also spelled impellors or impellars) are rotating devices designed to alter the flow and/or pressure of liquids, gases, and vapors. Impellers consist of various vanes — often blade-shaped — ...
The ETH Zurich student team’s H2-Sling aircraft, featuring a hydrogen fuel cell system with Type 4 carbon fiber tanks, awaits Swiss regulatory clearance for a maiden flight ahead of a planned crossing ...
The air enters the system through a filter housing, a Venturi tube and a flow straightener. Due to its high velocity, it is enriched with considerable kinetic energy in the impeller, which is ...
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